lttng-babeltrace: fix build failure on gcc14
The gcc14 machine has a moderately old host gcc, which was causing a recurrent build failure of host-lttng-babeltrace: http://autobuild.buildroot.org/results/492/49216052c161874f41738e41e6e0c89a6dd04000/build-end.log This commit adds a patch to fix this build failure, related to the access of the ULLONG_MAX define on compilers that did not default to the C99 variant of the C language. Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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@ -0,0 +1,27 @@
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Support old compilers
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Some old compilers do not use C99 as their default C language variant,
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for example gcc 4.3.x, which is used on some old machines. When such a
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compiler is used, by default, ULLONG_MAX is not visible. Adding
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-std=gnu99 is needed to make this definition visible.
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In autoconf speak, this translates into the need of using
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AC_PROC_CC_STDC instead of AC_PROG_CC. See
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http://www.gnu.org/software/autoconf/manual/autoconf-2.65/html_node/C-Compiler.html
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for more details.
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Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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Index: b/configure.ac
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===================================================================
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--- a/configure.ac
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+++ b/configure.ac
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@@ -17,7 +17,7 @@
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AC_SYS_LARGEFILE
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# Checks for programs.
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-AC_PROG_CC
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+AC_PROG_CC_STDC
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AC_PROG_MAKE_SET
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LT_INIT
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AC_PROG_YACC
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@ -4,5 +4,9 @@ LTTNG_BABELTRACE_SOURCE = babeltrace-$(LTTNG_BABELTRACE_VERSION).tar.bz2
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LTTNG_BABELTRACE_DEPENDENCIES = popt util-linux libglib2
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LTTNG_BABELTRACE_DEPENDENCIES = popt util-linux libglib2
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# One patch touches configure.ac
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LTTNG_BABELTRACE_AUTORECONF = YES
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HOST_LTTNG_BABELTRACE_AUTORECONF = YES
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$(eval $(autotools-package))
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$(eval $(autotools-package))
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$(eval $(host-autotools-package))
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$(eval $(host-autotools-package))
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